As the number one aquarium store in San Diego, we highly recommend that to any experience level of aquarist install an aquarium chiller in your tank. The reason is that with all the other equipment, lighting, and water pumps generates a lot of heat which can cause the water to be too hot for your fish and plants! Therefore, installing a quality chiller, like the Apex Pro Series Chiller, is ideal to maintain a healthy environment for your aquarium’s inhabitants. To ensure the highest efficiency from an aquatic chiller, we recommend you install one from the beginning of setting up your aquarium. This way, the water is kept at the ideal temperatures for your tank inhabitants to thrive. We carry all the current models of the Apex Pro Series Chiller at aquaticwarehouse.com, the best online aquarium supplies in San Diego! If you need any advice on the best chiller for your tank, give us a call at (858)467-9297!